Federation Architecture: In this diagram, the Oracle SES Instance contains the Federator Engine, the Web Service API, and the End-User GUI. For Option 1, the Browser connects to the End-User GUI. For Option 2, the browser connects to Remote Applications, which connect to the Web Service API. The Oracle SES Instance provides search results from two Web Service/Remote Oracle SES Instances and one implementation of Oracle Secure Enterprise WS API/Other Systems.